Abstract
The current mobile packet core network is evolving to cope with the pressure of the mobile traffic explosion and the advent of new services. Software-defined networking (SDN) is currently being adopted as one of the promising drivers for redesigning the mobile packet core network toward a 5G network. SDN-based mobile packet core approaches are expected to deliver features, such as fast service deployment, flexibility, and capital expenditure and operational expenditure reduction within future 5G networks. However, current SDN-based mobile packet core approaches only focus on providing unicast services without considering multicast and broadcast services. In this article, we propose an efficient SDN-based mobile packet core network architecture for supporting multicast and broadcast services. The proposed architecture takes advantage of the SDN paradigm and enables multicast and broadcast service deployment. In addition, a new SDN-based multicast subscription procedure is introduced to reduce network bandwidth resources. By numerical analysis, our scheme improves the current multicast and broadcast solution in terms of signaling cost.
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Acknowledgement
This work was partly supported by the ICT R&D program of MSIP/IITP, Republic of Korea. [B0101-15-1351, Distributed & OpenFlow Based Virtual Mobile Core Network] and partly by Insitute for Information & communications Technology Promotion(IITP) grant funded by the Korea government(MSIP) (No.B190-15-2012, Global SDN/NFV OpenSource Software Core module/Function Development)
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Do, TX., Nguyen, VG. & Kim, Y. SDN-based mobile packet core for multicast and broadcast services. Wireless Netw 24, 1715–1728 (2018). https://doi.org/10.1007/s11276-016-1433-6
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DOI: https://doi.org/10.1007/s11276-016-1433-6